ds_def_t *ds_def; /* list of data source definitions */
rra_def_t *rra_def; /* list of round robin archive def */
live_head_t *live_head; /* rrd v >= 3 last_up with us */
ds_def_t *ds_def; /* list of data source definitions */
rra_def_t *rra_def; /* list of round robin archive def */
live_head_t *live_head; /* rrd v >= 3 last_up with us */